Clinical guidelines are very popular, as they should be, in trying to disseminate appropriate care. Unfortunately, these are often portrayed as clear-cut and indisputable. Unfortunately, the truth is that there is just as much debate and disagreement about them as most other things in medicine. There are numerous examples of multiple available guidelines for a given topic that are mutually incompatible. It is important to realize that these are products of a human process that is (1) imperfect and (2) in its infancy. Guidelines for Guidelines: Measuring Trustworthiness by David F. Ransohoff and Harold C. Sox.